const province = {
	name: "江苏",
	cities: [
		"南京", "镇江", "常州", "苏州"
	]
};
console.log(Object.values(province))

let entries = Object.entries(province),
	map=new Map(entries);
console.log(entries)
console.log(map.get("cities"))
console.log(Object.getOwnPropertyDescriptors(province))
